/Engine/Plugins/Runtime/RigVM/Source/RigVMDeveloper/Public/EdGraph/RigVMEdGraphNode.h
Copies default values from underlying properties into pin defaults, for editing
void SetupPinDefaultsFromModel ( [UEdGraphPin](API\Runtime\Engine\EdGraph\UEdGraphPin) * Pin, const [URigVMPin](API\Plugins\RigVMDeveloper\RigVMModel\URigVMPin) * InModelPin )